GPSMAP 66s/st Specifications

Battery type

Two AA batteries (1.5 V or lower alkaline, NiMH, or lithium) or optional NiMH battery pack

Battery life

Up to 16 hr.

Up to 170 hr. in expedition mode

Water rating

IEC 60529 IPX71

Operating temperature range

From -20° to 45°C (from -4° to 113°F)

Charging temperature range

From 0° to 40°C (from 32° to 104°F)

Compass-safe distance

17.5 cm (7 in.)

Wireless frequency/protocol

2.4 GHz @ 14.9 dBm nominal

1 The device withstands incidental exposure to water of up to 1 m for up to 30 min. For more information, go to www.garmin.com/waterrating.
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February 2024